OpenTechnical

OT-2026-000073842

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000073842) never changes.

Identity and time

Publication numberOT-2026-000073842 · never reused
Internal UUID01a0ae93-2b8e-7475-ba47-e0765cb68047 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073842
StatusPUBLIC

Content hashes

Canonical textcb52c092ef9e06b9ff8c3e7f8661889d17e5007be39e149d0ccfa6a13bb580cc
Markdown9de7110f99f6f38ce00f67adb985992fca8922e09db27dcc9300e1342d7c1d94
PDF
Publication page8a8b19bb1509aaaa07acbedceff4bd0ba4832cef709a6a007ed4beee29f89716
Manifest25037010eb936a76125923e7bbfe61fb1234308cff5a6fb538bd85fc98382b29

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureeArvbkuWe9V1vbQTrpBlneaJ222N3lFPKzncQyL2+QevW+lAhN2L3ROc85Zz2XKmLT7fV2+I5Knc+E4W/apnBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:58.543798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073842
observed 8a8b19bb1509aaaa07acbedceff4bd0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.525397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073842/manifest.json
observed 25037010eb936a76125923e7bbfe61fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.505910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073842/publication.md
observed 9de7110f99f6f38ce00f67adb985992f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.486878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073842/publication.txt
observed cb52c092ef9e06b9ff8c3e7f8661889d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.